Harold A. Chapman, MD
Pulmonary Disease Physician · San Francisco, CA
Harold A. Chapman, MD is a pulmonary disease physician with a practice address in San Francisco, California, and NPI 1831153741, issued on Apr 17, 2006. Check the license (California G85753, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Harold A. Chapman
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- G85753 CA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 443-4283
- Enumerated
- Apr 17, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 0G8575300 CA
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harold A. Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Harold A. Chapman among 1,443 pulmonary disease physician records in California
Harold A. Chapman, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,443 in California → Every provider in San Francisco → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Hubert Chen, M.D.San Francisco, CA 941431215042957
- Jeffrey Golden, MDSan Francisco, CA 941431043267446
- Antonio Gomez, MDSan Francisco, CA 941431104833888
- Anh Innes, M.D.San Francisco, CA 941431982803573
- Talmadge King, MDSan Francisco, CA 941431659388338
- Laura Koth, MDSan Francisco, CA 941431952367815
- Lorriana Leard, MDSan Francisco, CA 941431366459422
- Sarah Muni, MDSan Francisco, CA 941431548460777
Common questions
What is Harold A. Chapman, MD's NPI number?
Harold A. Chapman, MD's National Provider Identifier (NPI) is 1831153741, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold A. Chapman, MD located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 443-4283. Providers update this record themselves, so call before visiting.
How can I verify Harold A. Chapman, MD's license?
NPPES lists California license number G85753, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.